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Put the answer if you are 100% sure of the answer, otherwise no.
What is the correct answer? Every frog saw all birds if it has visited a node.
a. (ALL X)(EXIST Y)(ALL Z)(Frog(X) AND Node(Y) AND Saw(X,Z) AND Bird (2) IMPLIES visit(X,Y))
b. (ALL X)(ALL Y)(ALL Z)(Frog(X) AND Node(Y) AND visit(X,Y) AND Bird (Z) IMPLIES Saw(X,Z))
C. (ALL X)(EXIST Y)(EXIST Z)(Frog(X) AND Node(Y) AND visit(X,Y) AND Bird (Z) IMPLIES Saw(X,Z)) d. (ALL X)(EXIST Y)(ALL Z)(Frog(X) AND Node(Y) AND visit(X,Y) AND Bird(2) IMPLIES Saw(X,Z))
d. (ALL X)(EXIST Y)(ALL Z)(Frog(X) AND Node(Y) AND visit(X,Y) AND Bird(2) IMPLIES Saw(X,Z))
What is the correct answer?
((EXIST X)(ALL Y)(believe (Y, bob) AND like(Y, mary) IMPLIES like(X,Y))
a. Someone likes everyone that believes mary and likes bob b. Everyone likes someone that believes bob and likes mary
Someone likes everyone that believes bob and likes mary
d. Everyone likes someone that believes mary and likes bob
What is the correct answer?
(ALL X)(EXIST Y)(ALL Z) [person(x) AND table(Y) AND white(Y) AND writer(Z)
AND use(WY) IMPLIES has(X,Y)]
a. every writer has a white table that is used by every person
b. every person has a white table that is used by some writer
c. every person has a white table that are used by every writer
d. every person has a table that is used by some writer
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